Security key
829933100
SIRIUS XM HOLDINGS INC. - Common Stock, par value $0.001 per share (SIRI)
CUSIP: 829933100
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Total 13F shares
- 242,807,919
- Total 13F value
- $5,649,757,007
- Share change
- -2,896,647
- Put/Call ratio
- 43%
- SEC-reported price per share
- $23.28
- Number of holders
- 533
- Value change
- -$65,390,420
- Number of buys
- 212
- Number of sells
- 241
- Shares outstanding
- 334,923,564
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
533
Top holders
10
SIRI full security history
Ownership snapshot
Full 13F holder table
SIRIUS XM HOLDINGS INC. SEC filings
SIRIUS XM HOLDINGS INC. company facts
Broader feeds
Ownership snapshot
Top reported holders of SIRI - SIRIUS XM HOLDINGS INC. - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BERKSHIRE HATHAWAY INC
Disclosed value leader
BERKSHIRE HATHAWAY INC
Comparable rows
15/15
Latest evidence
30 Sep 2025
13D/G
3/4/5
13F
Lead comparable stake: 37%
13D/G row: BERKSHIRE HATHAWAY INC
Showing 1-6 of 15 holder rows.
Quick read
BERKSHIRE HATHAWAY INC leads the comparable SEC ownership view at 37%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BERKSHIRE HATHAWAY INC's linked filing trail.
Comparable ownership
Top 5
BERKSHIRE HATHAWAY INC
37%
Warren E. Buffett
35%
VANGUARD GROUP INC
5.8%
BlackRock, Inc.
2.6%
Kontiki Capital Management (HK) Ltd.
2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BERKSHIRE HATHAWAY INC |
13D/G
3/4/5
13F
Warren E. Buffett · 10%+ Owner · Company
|
37%
|
$2,904,885,648
124,807,117 shares
|
$0 | 30 Sep 2025 |
| Warren E. Buffett |
13D/G
|
35%
|
$2,552,592,091
117,468,573 shares
|
$0 | 31 Dec 2024 |
| VANGUARD GROUP INC |
13F
Company
|
5.8%
|
$443,871,247
19,323,955 shares
|
— | 30 Jun 2025 |
| BlackRock, Inc. |
13F
Company
|
2.6%
|
$199,074,618
8,666,723 shares
|
— | 30 Jun 2025 |
| Kontiki Capital Management (HK) Ltd. |
13F
Company
|
2%
|
$154,830,112
6,740,536 shares
|
— | 30 Jun 2025 |
| AQR CAPITAL MANAGEMENT LLC |
13F
Company
|
1.6%
|
$117,326,543
5,191,440 shares
|
— | 30 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
533
Shares
242,807,919
Rows available
533
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
538
Q3 2025 holders
533
Holder diff
-5
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|